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vfs: add a missing VNODE_REFCOUNT_FENCE_REL to v_incr_usecount_locked

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Sponsored by:	The FreeBSD Foundation
This commit is contained in:
Mateusz Guzik 2019-08-30 21:54:45 +00:00
parent e12102f114
commit c2b600f98f
1 changed files with 1 additions and 0 deletions
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sys/kern/vfs_subr.c
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@ -2641,6 +2641,7 @@ v_incr_usecount_locked(struct vnode *vp)
VNASSERT(vp->v_usecount == 0, vp,
("vnode with usecount and VI_OWEINACT set"));
vp->v_iflag &= ~VI_OWEINACT;
VNODE_REFCOUNT_FENCE_REL();
}
refcount_acquire(&vp->v_usecount);
v_incr_devcount(vp);